Awesome RSA and DSA key generation utility for Windows PC

PuTTYgen (32-bit)

PuTTYgen 0.81 (32-bit)

  -  862.77 KB  -  Open Source

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.

Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of PuTTYgen 0.81 (32-bit).


For those interested in downloading the most recent release of PuTTYgen (32-bit) or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


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  • PuTTYgen 0.81 (32-bit) Screenshots

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    PuTTYgen 0.81 (32-bit) Screenshot 1
  • PuTTYgen 0.81 (32-bit) Screenshot 2
  • PuTTYgen 0.81 (32-bit) Screenshot 3
  • PuTTYgen 0.81 (32-bit) Screenshot 4

What's new in this version:

- Security fix for CVE-2024-31497: NIST P521 / ecdsa-sha2-nistp521 signatures are no longer generated with biased values of k. The previous bias compromises private keys.